<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page, index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-img">
            <img :src="item.iconUrl" :alt="item.iconText" class="icon-img-content" />
          </div>
          <p class="icon-desc">{{item.iconText}}</p>
        </div>
      </swiper-slide>
    </swiper>
    <div class="swiper-pagination" slot="pagination"></div>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
        // pagination: '.swiper-pagination'
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}

</script>

<style lang="stylus" scoped>
  @import '~styles/varibles.styl';
  @import '~styles/mixins.styl';

  .icons>>>.swiper-pagination-bullet-active {
    background: #fff;
  }

  .icons {
    overflow: hidden;
    height: 0;
    padding-bottom: 50%;

    .icon {
      position: relative;
      overflow: hidden;
      float: left;
      width: 25%;
      padding-bottom: 25%;

      .icon-img {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0.44rem;
        box-sizing: border-box;

        .icon-img-content {
          display: block;
          margin: 0 auto;
          height: 80%;
          padding-top: 10%;
        }
      }

      .icon-desc {
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        height: 0.44rem;
        line-height: 0.44rem;
        text-align: center;
        color: $darkTextColor;
        ellipsis();
      }
    }
  }

</style>
